Paper-feeding machine.



V. GARNER.

PAPER FEEDING MACHINE.

APPLICATION FILED NOV. 16, 1911 Patented'Aug. 25, 1914.

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PAPER FEEDING MACHINE.

APPLIUATlON r1 -252'd3222Z/1' ware ar-236M 15 SHEETS-SHEET z.

LET) K0116, 1911. I H

- Patented Aug. 20, 914.

V. GARNER.

PAPER FEEDING MACHINE. 'APPLIOATION llLED NOV.16,1911.

Patanted Aug. 25, 1914.

15 SHEETS-SHEET 3.

V. GARNER.

PAPER FEEDING MACHINE, APrLwATwN FILED NOV.16, 1911.

Patented Aug. 25, 1914.

15 $HEETSBHEET 4.

V. GARNER.

PAPER FEEDING MACH APPLICATION FILED NOV; 16, 1911.

Patented Aug. 25, 1914.

15 $HEETS-SHEET 5.

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- APPLICATION FILED Nov. 16, 1911.

Patented Aug. 25, 1914 15 SHEBTSSHEET 6,

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V. GARNER.

PAPER FEEDING MACHINE.

APPLICATION TILED Nov. 10, 1911,

Patented Aug.25,1914.

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APPLICATION FILED NOV. 16, 1911.

Patented Aug". 25, 1914.

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V. GARNER.

PAPER FEEDING MACHINE.

APPLICATION FILED NOV. 16 1911.

Patented Aug. 25, 1914.

l5 SEEETSSHEBT 9.

V. GARNER.

PAPER FEEDING MACHINE.

APPLICATION FILED NOV.l6, 1911. m Patented Aug. 25, 19M

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m v APPLIGATION FILED NOV. 16, 19M. .LJlU8 bCSQW l5 SHEETS-SHEET ll.

Patented Aug. 25, 1914.

V. GARNER.

PAPER FEEDING MACHINE.

APPLICATION FILED NOV. 16, 1911.

Patented Aug. 25, 19M.

15 SHEETS-SHEET 12.

V. GARNER.

PAPER FEEDING MACHINE.

APPLIGATION FILED NOV.16,1911.

Patented Aug. 25, 1914. 1

15 SHEETS-SHEET 13..

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V. GARNER.

PAPER FEEDING MACHINE.

APPLICATION FILED N0v.'1s,1911.

Patented Aug. 25, 1914. v 15 sunms snnz'r 15.

i ENT FFICE.

VERNON \eanane, .0r om MAsseoHUsEMH-Qassio noze 're UNI'rnnrnI-NTINe iniioiiinnnr CDMPANY, or nosroiv, MASSACHUSETTS, A CORPORATION or MAINE,

P AFTER-FEEDING MACI -IINE.

Application filed November 16, 1911. Serial No. 660,668.

To all whom 'it may] concern Be it known that Vnnnow' GARNER, a citizen of the United States, and resident ot; ostoinin thecounty of Suffolk and 1- State of ll lassachusetts, have invented certain new and useful Improvements in Paper- Feeding Machines, of which the following is a speci oation.

This invention relates to machines for feeding paper sheets one by one to other m giohines in which the sheets are printed, folded, or otherwise treated.

{One ofthei'eatures of the invention is means for combing, the sheets from a pile to other means which convey the sheets one at a time and advance them. In accordance with the common practice, the machine is provided with trip mechanism adapted to be operated by the foremost feathered sheet 2'. to control the operation of the combing mechanism and also to control the means by which the sheet is conveyed away.

I The combing mechanism comprises primary combing devices and auxiliary comb- 5* ingdevices which are controlled by the trip mechanism to operate in the following main ner: The primary combing devices are arrai iged to act upon arelatively small. number of feathered sheets resting on a support between the pile and the conveyor ;mechanism. The auxiliary combing devices are arranged to act upon the pile. The primary combing devices operate during each cycle of movements, and are controlled directly bythe trip mechanism. Theanxiliarycombing devices which act upon the pile are controlled bythe primary combing devices so as to he thrown into operation when the combing of the sheets as eti'ected by the primary combing deeices is slower than the speed of themaohine reiiliiires. The auxiliarycombing devices are further controlled so as to be held ino ierative when their operation is not required. I I r In connection,with" the (coming mecha nism, the machine is provided with air conduits adapted to direct currents of air latorally between the sheets to loosen the sheets from each other bythe operation which is known as winding the sheets The winding devices are rontrolled by the action of the primary.combing deviees so as to effect "the winding ot' the sheets only when the primarl i' combing (icy-ices are unable to comb if the sheets at the required speed. It follows,

thereformthat the winding of the sheets occurs only when the augiiliary combingdevices are put in operation, but the winding means may be employed and controlled in the. same manner without the auxiliary so. combing means, if desired.

'The delivery mechanism for conveying the sheets from the combing mechanism to the ultimate machine is necessarily driven so as to convey the sheet at arelatively 5. rapid rate in order to get each sheetout of the way of the succeeding sheet. Another important feature of this invention relates to the conveyer mechanism, irrespective of the combing mechanism or any other mechanism by Whichthe sheet is placed in the conveyor mechanism. The feature above mentioned is means for reducing the speed of the sheet in the conveyor mechanism ata; point near the custo-n'iary stops, sothat the .75. sheet will not strike the stops when .n'ioving at a rapid rate of speed, thus avoiding injury to the front edge of the sheet and're: bounding of the sheet due to buckling and recoil. 'lheslow-down mechanism 3 comso prises continuously drit en rolls adapted to engage one side of the sheet, and idle rolls adapted to cooperate therewith and engage the-other side of the sheet. The slowdown rolls are mounted in advance of the stops" for the sheet at a distance slightly greater] than the length of the sheet, and they ar controlled to remain open while the forward part of the sheet is passing between them and to'closc an instant before the rear edge of the sheet reaches th-m, thus grasping the rear portion of the sheet to retard the speed and thereafter to advance the sheet at arel a tivcly slow speed until the rear edge of the sheet passes beyond them. The slowa'lown rolls are so mounted as to be adjustabletm ward and from the stops for the purpose of adapting them to sheets of different size,

Other features of the invention are illustrated upon the accompanying drawings and hereinafter described and claimed; 01"" the accompanying drawings which illustrate the invention: Figure 1 represents a side elevation of sheet-feeding mechanism including an elevator for a pile sheets, combing mechanism. and a portion of the conveyor mechanism. Fig. 1 represents a side elevation of the delivery end of the conveyor mechanism and includes the slowdown device. Fig. 2 represents a top plan view 110 of the mechanism included in Fig. i. Fig. 2 represents a top plan view of the mechanism included in Fig. 1. Fig.3 represents a side elevation, on a larger scale, of the combing mechanism included in Fi 1. Fig. i represents a partial plan view of the mechanism shown by-Fig. 3. Fig. 5 represents an elevation of the opposite side of the combing mechanism. Fig. 6 represents a partial plan view of the mechanism included in Fig. 5. Fig. 7 represents a longitudinal vertical section through the COIIIblD mecha- .P nisui as indicated by line 7-7 oi 1 1g. 2. Fig. 8 represents a side elevation of the slow-down device included in Fig. P, Fig. 8 being on a larger scale than Fig. 1. Fig. 9 represents a partial top plan view or the mechanism included in Fig. 8., Fig; 10 represents a partial top plan view of the combing mechanism,'similar to that included in Fig. 2 but on a larger scale. Fig. 11 represents a longitudinal vertical section through the trip mechanism which controls the primary and auxiliary combing devices. The plane ofthe section is indicated by line 11 11 in Fig. 10. Fig. 11 represents, in side elevation, a detail included in Fig. 11 and showing the parts in different relative positions. Fig. 12 represents a transverse-vertical section on line 12-12 of n'ig. 2. inc scale is the same as Figs. 3 and 4. Fig..13

represents a transverse vertical section 1ndicated in Fig. 2 by line 13-13. The scale is the same as Figs. 5 and 6.. Fig. 1a represents a longitudinal vertical section indicated in Fig. 2 by line 14=-14. The scale-is larger than Fig. 2. Fig. 15 represents a transverse vertlcal section through the pile elevator and includes the devices for wind ing the sheets in the pile, and a device for clamping the pile below the top sheet. (See line 15-15 of Fig. 2.) y

The same reference characters indicate the same parts wherever they occur.

Referring first to Figs.-1 and 1, these figures may be read in conjunction with each other by placing Fig. 1 at the ri ht of Fig. 1, the structure shown by Fig. 1 eing-a continuation of the mechanism shown by Fi 1. The combin mechanism and control ing mechanismtherefor, and other mechanisms hereinafter described, are supported by suitable framework comprising standards such as that indicated at 20 in Fig. 1, one of these standards being provided at each side ofthe machine. A. vertically movable support for a pile of unfea-thered sheets is indicated at 21, the function of this support being to raise a pile of sheets in the usual manner to present the sheets to the combing mechanism. The front edges of the sheets in the pile are kept from advancing by vertical guides or abutments 19 until the sheets rise above the abutments. Any suitable means 6'5 may be provided forraising the support 21.

The drawings "do not illustrate any means for raising the support, because such means does not form any part of the present in-- vention.

The combing devices are indicated at 23 i and 24.. As shown by Fig. 2, there are two combing devices 23 and two combing devices 24:. The combing devices 23 are hereinatter termed the primary combing devices, because they are controlled to act during each cycle of the machine. The combing devices are hereinafter termed the auxiliary combin'g devices, because they are controlled to act only'when the action of the primary combing devices is insufficient to advance the sheets atthe re uiIedspe'edL Asshown by Figs. 1 and 1*, t e feedin movement of the sheets is from left to rig t. Referring now to Fig. 7, which illustratesin sectic a different view of the combing mechanism,

the sheets are fed from right to left. the sheets rise above the abutments l9 and are feathered by the combin devices they pass over a support '25. usual :7 termed'a ridge. The ridge conducts the sheets to. cooperatve delivery rolls which are adapted to take each sheet and deliver it at a relatively high speed. The delivery rolls comprise continuously driven rolls .26 and drop rolls 2?, all arranged to operate inthe well known man ner. '2

, As shown by Fig. '7, the primary comb devices 23 are arranged to cooperate wi the support or ridge 25, and the combing devices 24 are arranged over'the support 21 so as to act upon the sheets in the pile before the sheets are advanced to the ridge. The vertically movable support. 21 is illustrated at or near its extreme upper position, but

it will be understood that when a relatively deep pile 22' is placed upon the support the support will stand initially at a much lower position than that illustrated.

devices act for the most part upon a relaftively deep pile of sheets, which pile, however, is reduced in depth'as the top sheets are removed. On the other hand, the primary combing devices act upon a relatively small number ofsheets which are advanced from the pile upon the ridge. The conditions under which the primary combing devices act remain substantially unchanged, because the aggregate thickness of the sheets upon which they act does not vary. The action of the primary combing devices is controlled by mechanism including sheetactuated mem bers 23, one at either side of the mac ine. The lower ends ofsaid members are arranged to normally intersect the path of sheet at a point slightly inadvance of nip of'the delivery rolls 26, 27.

The combing devices 23 are ailixed separate shafts indicated at 29. Each of the the shafts is mounted two arms indicated Its obvi-. ous, therefore, that the auxil ary combing the Mes es at 30. The arms 30 are afiixed to two sleeves which surround two rock shafts 32. The sleeves and rock shafts are arranged in end to end relation in alinement with each. other, the two sleeves being adaptcd to rocx independently of each other, and the two shafts being adapted to rock independently of each other, while the shafts and sleeves are adapted to rock independently of each other. By virtue of this construction, the two combing devices 23 are adapted to be raised and lowered independently of each other and are controlled as hereinafter explained so that whenever one side of the sheet reaches the delivery rolls in advance of the other the combing device acting upon the advance side of the sheet will be thrown out of operation before that acting upon the other side of tlfe sheet. This method of controlling the combing devices is well known and is provided for the purpose of positioning the sheet squarely with relation to the delivery rolls.

The auxiliary combing devices 24 are af fixed to shafts 33, and these shafts are mounted in arms 34. in the same manner as the shafts which carry the primary combing devices. Each pair of arms 34: is aflixed to one of the two rock shafts 32. This (Onstruction and arrangement adapts the auxiliary combing devices to be rendered operative 'or inoperative independently of each other.

The construction and arrangement of the combing devices 23 and 24 on both sides of the machine are identical, anda description of those on one side will be sufficient for both sets. The two outer arms 30 and.34 on one side of the machine, and the two simihir arms on the otherside of the machine are provided withextensions, indi cated at 30 and 34 respectively in Fig. 7. The upper faces of these extensions constitute cam surfaces whereby the arms may he rocked to raise the combing devices. The two e v.nsions on one side of the machine lie sine by side in close proximity to each other and are both adapted to be engaged by a roll 3.; carried by a lever 36. The lever is mounted upon a fulcrum stud 36 projecting from a frame-piece a: fixed with relation to the standards 20. The lever 36 is pivotally connected to a rod 37 one end of which is adapted to slide in a stationary block or ear 38; A helical spring 39 surrounds the rod and is compressed between the member 38 and a collar 40 affixed to the rod. Mechanism is provided for setting the lever 36 in the position shown lnFlg. 7

to compress the spring 39, and. when thelevcr is releascd the action of the'spring causes the roll 35 to engage the extensions fill and 34-, with the result of rising the comhi: Y devices out of contactwith the lants. The lever 36 is provided with a secrock shaft.

ond roll ll which is adapted to be engaged by a cam aiiixed to'a continuously driven shaft Thefunction of the cam 42 is to set the lever in the position shown by Fig. 7, thereby compressing the spring 39. The lever is held. in its restrained position by a latch 44 which is mounted upon a pivot 45. The latch is formed with a shoulder 46 which is adapted to engage a third roll 1-? carried by the lever 36. The latch is further provided with a finger 48 which is adapted to rest upon the roll 47 to support the free end of the latch in operative rela-. tion. The latch i l is connected by a link 4-9 with one arm 50 of a lever aiiixed to a rock shaft 51. The lever comprises a second arm, indicated at 52, which affords a bearing for oneend of the rock shaft The other curl of the rock shaft is mounted in an arm -:-imilar to the arm 52 and likewise aflixed to the rock shaft 51. One of the sheet-actuated members 28 is affixed to the rock shaft 53, the other member 28 being afiixecl to a similar rock shaft mounted in the same manner at the other side of the machine. The lever comprising the arms 50 and 52 is provided with a finger 54?. The normal position of the lever, due to the weights carried by it, keeps the finger 54; againsta stop 55. The sheet-actuated member 28 is fixed with relation to a finger 56 which is adapted to engage. an adjustablestop 57 mounted in an extension 58 of the arm The function of the stop 57 is to adjust the lower end of the member 28 to the desired position in the path of the sheet.

An arm 59 affixed to the rock shaft 53 is provided with gear teeth'GO forming a segment. This gear. segment is adapted to cooperate, with a continuously driven gear 61, but is normally held out of engagement by the weight of the members affixed to the The are of the teeth (50 is not concentric with relation to the rockshaft 53 but is suiliciently eccentric to ctl'ect a lateral movement of the rock shaft away from the gear til when the teeth (30 move downwardly into the gear 61.

When the forward edge of a sheet strikes the member 28. the combin device is re- 2"5 tracted to inoperative position in the following'manner: The rocking movement of the member 28 carries the first tooth (30 into the path of the teeth of the gear (31. When the sheet has edected this movement it is thereafter relieved of further duty in cans ing the retraction of the combing devices. The teeth of the gear 61 thereafter swing the arm 59 downwardly and at the same time effect the aforesaid lateral movement of the rock shaft This lateral movement is transmitted through the rock shaft 51, arm 50 and link 49), to the latch 44 which is raised to release the roll 4-7 on the lever 36.

-When the lower edgeof the shoulder 46 moves above the line which intersects the centers of roll 47 and pivot 45, the'latch 1-1 is further raised by the tension of the roll, thereby causing a reactionary movement which is transmitted through link 19, arm 50, rock shaft 51, arm 52, shaft 53, and arm 59, which moves the teeth 60 forward out of engagement with the gear 61. The spring 39 thereupon actuates the lever 36, and the roll acting upon the exa sion 30 raises the arms which support the shaft 29 on which the combing device 23 is mounted. The forward movement Which the roll il receives from the spring 39 carries it underthe latch as, causing the roll to hold the latch in its elevated position, thereby keeping the teeth free from the gear 61. When the sheet is carried out it releases the member 28 which, together with members 56 and 59, is so Weighted as to resume its initial position, ready for the next operation. It the combing devices 2 1 are in operation atthe time, each will be raised in the some manner by the cotipera- 5 tion of the roll 35 With the extension 3 1. W hen the combing devices are elevated they are held by mechanism herein after described until the top sheet is carried out by the delivery rolls, after which the primary combing devices and, under some conditions, the primary and auxiliary combing devices, are released so that they may drop upon. the next top sheet;

As. shown by Fig.

' 24 are driven by chains62, and the combing devices 23 are driven, by gears 63,64: and 65. The arms which support the primary cornbing devices also support theintermedlate gears 64 by which rotation is transmitted from the gears 63 to-the gears 65. These gears and the chains are, of course, continuously driven. y

The next description relates to the controlling means for the auxiliary combing devices whereby the said combing devices are held inoperative so long as the primary combing devices advance the sheets atthe required speed, and whereby the auxiliary combing devices are rendered operative when tle sheets are not advanced at the required by the primary combing-de- The controlling mechanism for pose is illustrated by Fig. '11. This includes the arms 30 and 3-11Which rt inner ends of the combing de- '1 one side of the machine. The arm or projection 66 which is with a lever .67. r The upon a stationarv fulcrum rrom the frame-piece 38, and

er 66 hold said member The free end of the The lever is provided 7, the combing devices ded Willi va shoulder 69 adapted to with an arm 71 to Which is connected a rod 72. .The rod extends through 'a block or car 73 on the frame and is surrounded by a helical spring '74. The spring is compressed betvveen'the.

member 7 3 and a collar 7 5 afiixed to the rod. The s ring normally tends to force the free end 0 the lever 67 against the member 66. When the arm 34 is raised sulhciently to carry the member 66 beyond the shoulder 69, the spring moves the shoulder in under the member-'66, thereby locking the arm in I its upperposition.

The arm 30 which carries" the primary combing device also carries a finger 7 6 which is mounted upon a pivot stud 7 7 The finger is connected. by alink 78 with one arm of a lever 79 pivoted at 80 to the frame. The lever 7 9 carries a roll 81 which is adapted to coiiperate With a cam 82 affixed to the continuously driven cam shaft 43, hereinbetore mentioned. cam by a spring 83 which is coiled about a rod 84 and compressed between a collar 85 on the rod and an car 86 on the frame. One end of the rod is arranged to slide in the 'ear 86, and the other end'is pivotally connected to the lever 79. The are of the projecting portion of the cam extends through anumber of degree in the cycle of operations iii-Which the primary combing devices should complete the combing of the top sheet- The roll is held against. the

at the desired speed." This portion of the" l i cam is so arranged as toboti'perate with i the roll 81 during the combing operation of the primary combing devices.

The position of the upper end of the finger v i 76 is varied by the action of the cam 82 so as to move the said upper end of the finger to and from engagement with a projection 87. on'the lever 67. Assuming thatboth the primary and auxiliary combing devices are placed inoperative position when starting the machine,they will both be raised at the end of the first cycle by the springs 39 here-.

inbefore described. hen the auxiliary combing devices are raised, the projections 66 engage the levers 67 as shown by Fig. 11,

and the auxiliary combing devices are held in their inoperative positions by the levers. The primary combing devices thereafter des'cend, leaving the auxiliary combing devices in inoperative position. During the next cycle of operations,in which the primary combin devices alone act uponthe sheets,

the pro ecting portion ofthe cam 82 engages the roll 81 during the combing operation.

If the forward movement of the sheet is so slow that the-projecting portion of the cam 82 leaves the rolls 81 before the retracting mechanism is released, the spring 83 will move the upperend of the finger 7 6 to, the left so that the said finger will engage the projection STWhen the primary combing device is positively raised, ashereinafter re onaco Flamed. The finger 76 in moving up lifts the lever 67 so as to release the prcnection 66, whereupon the auxiliary combing device is released, so far as the lever 67 is concerned. The auxiliary combing device is otherwise held, as hereinafter explained, until the primary combing device descends, so that both primary and auxiliary devices may descend at the same time.

This machine,like the majority of papercombing machines, is provided with means for positively lifting the combing devices in case they are not ,lifted suiliciently early by the spring-tension lifting means. The mechanism for supplementing the springtension lifting means comprises cams 88 affixed to the continuously driven shaft 43. There are two cams 88, one at either side of the machine, each of said cams being adapt ed to lift one of the primary combing devices and one of the auxiliary combing devices. Each cam 88 is adapted to engage two cam rolls which are indicated in Fig. 11 at 89 and 90, the two cam rolls being arranged close to each other and the face of the cam 88 being broad enough to overlap both rolls. The roll 80 is carried by a link 91, one end of which is pivotally connected to an arm 30 which carries the primary combing device. The roll 90 is carried by a-link'92, one end of which is pivotally coni nected by an arm 34 which carries the ll'LlXlll iarv combing device. Each of the links 91 and 92 is forked at the other end and is arranged to straddle the cam shaft 13. The

cam 88 is so timed as to raisethe combing devices after thetime when it is desired to have the. combing devices raised by the g uing-tension means hereinbeforedescribed.

11 case the sheet is not combed at the required' speed, the spring-tension means is not released and the combing devices become raised by the cams 88. Thecams 88 also serve to hold the primary combing devices in their raised position until a predeterumined point of time'after the springtension retracting means has been restrained by the cams 42. The cams 88 have the jfurther function of supporting the auxiliary combing devices after the said devices have been released by the hooked lever 67,,and until the time desired for releasing the primary combing devices. In other words, the cams 88 are adapted to hold all the combingdevices retract-ed for a brief period and to re lease them all simultaneously.

The means hereinbefore mentioned for winding the sheets is controlled in much the. same manner as the auxiliary combing de-,

vices. That isto say, it is controlled so as to be inoperative when the sheets are combed at the required speed by the primary combing devices alone, and to be rendered operative when the action of the primary combing devices alone is not snficient to comb sheets at the required'speed. From this it follows that the winding operation is controlled to occur only 'when the auxiliary combing devices are set in operation, and to be discontinued when the auxiliary combing devices are no longer needed.

A blower is indicated at 93 in Fig. 1. This blower is continuously driven by a belt 94: which passes over a pulley .95 on the main driving shaft 96 of the machine. This driving shaft is continuously driven. The blower delivers air through a supply pipe 97 which runs upwardly and is connected to a transverse pipe 98. (See Figs. 1, 5, 6, 7 and 13). As shown by Fig. 2, a plurality of flexible tubes are connected to the pipe 98 to distributc air to the desired points. These fiexible tubes are indicated at 99. Each flexible tube is connected to a delivery razzle 100, the

drawings illustrating fourof said nozzles. As shown by Figs. 2, 14 and 15, two of the delivery nozzles are arranged to direct jets of air laterally at the sides of the pile, while the other two are arranged at'the rear of the pile to direct the jets in the direction of feed. I

Referring now to Fig. 5, the air-supply conduit is provided with a relief opening 101, which is controlled by a valve 102. The valve 102 is carried by an arm 103 pivotally mounted at 104. An arm 105-provided with a roll 100 adapted to coiiperate with the arm 103 is aflixed to the shaft 32 which supports the arms 341- of the auxiliary combing devices. The arm 103 is formed with a cam face 107 and with a face 108 which is concentric with relation to the shaft 32 when the valve 102 is closed. Vvhenever the auxiliary combingdevices are in operatlon, as shown by Fig. 5, the relief valve 1.02 is closed and the roll 106 engages the concentric. surface 108. The length of the surface 108 is sufficient to rovide for the necessary rise and "fall 0 combing devices. due to varying level of the top of the pile. Whenever the auxiliary combing devices are retracted, the arm 105 is moved to the left, as seen in Fig. 5, thus releasing the valve 102 so that it may open.

The current of air generated by the blower may therefore escape through the relief opening .101 instead of being conducted to the winding devices. Upon subsequently lowering the auxiliary combing devices, the arm 105 is moyed to the right; and the roll 106, acting u on the cam surface 107, closes the relief va ve so that the current of air can escape only'througli the winding devices.

Means is provided for raising the delivery the auxiliary nozzles 100 at'the vertically movable support 21 for the pile approaches its extreme upper position, thus avoiding the possibility of in'iuringthe delivery nozgzles. As

1 shown by the "frame of the machine 

